CS计算机代考程序代写 ///////////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
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/// @ref gtx_matrix_query
/// @file glm/gtx/matrix_query.inl
/// @date 2007-03-05 / 2007-03-05
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////

namespace glm
{
template
GLM_FUNC_QUALIFIER bool isNull(tmat2x2 const & m, T const & epsilon)
{
bool result = true;
for(detail::component_count_t i = 0; result && i < 2 ; ++i) result = isNull(m[i], epsilon); return result; } template
GLM_FUNC_QUALIFIER bool isNull(tmat3x3 const & m, T const & epsilon)
{
bool result = true;
for(detail::component_count_t i = 0; result && i < 3 ; ++i) result = isNull(m[i], epsilon); return result; } template
GLM_FUNC_QUALIFIER bool isNull(tmat4x4 const & m, T const & epsilon)
{
bool result = true;
for(detail::component_count_t i = 0; result && i < 4 ; ++i) result = isNull(m[i], epsilon); return result; } template class matType>
GLM_FUNC_QUALIFIER bool isIdentity(matType const & m, T const & epsilon)
{
bool result = true;
for(detail::component_count_t i(0); result && i < detail::component_count(m[0]); ++i) { for(detail::component_count_t j(0); result && j < i ; ++j) result = abs(m[i][j]) <= epsilon; if(result) result = abs(m[i][i] - 1) <= epsilon; for(detail::component_count_t j(i + 1); result && j < detail::component_count(m); ++j) result = abs(m[i][j]) <= epsilon; } return result; } template
GLM_FUNC_QUALIFIER bool isNormalized(tmat2x2 const & m, T const & epsilon)
{
bool result(true);
for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) result = isNormalized(m[i], epsilon); for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) { typename tmat2x2::col_type v;
for(detail::component_count_t j(0); j < detail::component_count(m); ++j) v[j] = m[j][i]; result = isNormalized(v, epsilon); } return result; } template
GLM_FUNC_QUALIFIER bool isNormalized(tmat3x3 const & m, T const & epsilon)
{
bool result(true);
for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) result = isNormalized(m[i], epsilon); for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) { typename tmat3x3::col_type v;
for(detail::component_count_t j(0); j < detail::component_count(m); ++j) v[j] = m[j][i]; result = isNormalized(v, epsilon); } return result; } template
GLM_FUNC_QUALIFIER bool isNormalized(tmat4x4 const & m, T const & epsilon)
{
bool result(true);
for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) result = isNormalized(m[i], epsilon); for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) { typename tmat4x4::col_type v;
for(detail::component_count_t j(0); j < detail::component_count(m); ++j) v[j] = m[j][i]; result = isNormalized(v, epsilon); } return result; } template class matType>
GLM_FUNC_QUALIFIER bool isOrthogonal(matType const & m, T const & epsilon)
{
bool result(true);
for(detail::component_count_t i(0); result && i < detail::component_count(m) - 1; ++i) for(detail::component_count_t j(i + 1); result && j < detail::component_count(m); ++j) result = areOrthogonal(m[i], m[j], epsilon); if(result) { matType tmp = transpose(m);
for(detail::component_count_t i(0); result && i < detail::component_count(m) - 1 ; ++i) for(detail::component_count_t j(i + 1); result && j < detail::component_count(m); ++j) result = areOrthogonal(tmp[i], tmp[j], epsilon); } return result; } }//namespace glm